Honda Giken Kogyo Kabushiki Kaisha

Yoshihide Namba

Hiroshi Tanaka

Minoru Ueda

Yuji Tsushima

Hiroshi Yamashita

A highly efficient spark ignition two-cycle internal combustion engine is provided which assures stable and excellent combustion over a wider operation region of the engine. The spark ignition two-cycle internal combustion engine includes a sub-combustion chamber, and a pressure accumulating chamber which is filled with compressed air. A switching valve is arranged for communicating the pressure accumulating chamber with the sub-combustion chamber. A fuel injecting device injects fuel into the pressure accumulating chamber. A control device controls the operations of the switching valve and the fuel injecting device.

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Saitama, Japan

Yoshihide Namba